code: def __init__(
      self, steps: Sequence[StepType], config: Config, system: System
  ) -> None:
      self._steps = steps
      self._config = config
      self._system = system
  
file_path: bokeh/release/pipeline.py
imports: from __future__ import annotations
  from typing import Callable, Sequence
  from .action import SKIPPED, ActionResult, ActionReturn
  from .config import Config
  from .logger import LOG
  from .system import System
  from .ui import task
label_desc: Use image node_id 1 to create a new Pipeline object  with example: obj = Pipeline(steps, config, system)